S.M.S.L - SU-1 (Unboxed)
Desktop Digital To Analog Converter (DAC)GET 18% GST INPUT
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Talk to a Headphone Guru
Packed and shipped within 24/48/72 hours
Your order leaves our warehouse within 24/48/72 hours - packed, handed to our courier, and on its way.
Orders placed before 2 PM on weekdays typically ship the same day.
This doesn't mean it arrives in 24/48/72 hours - delivery takes 3-4 working days depending on where you are.
Check the delivery date above for your estimate.
READ MORE ABOUT SHIPPING
Defective? Tell us within 7 days. We'll take care of it.
Something wrong with your product? We'll sort it out.
Wrong product, damaged, or missing parts: Let us know within 24 hours of delivery. If it's just an accessory, we'll replace the accessory.
What we'll need:
- Product in original packaging with all accessories
- Unboxing video and images of the parcel
This helps us see what went wrong and move faster.
Manufacturing defect: Let us know within 7 days of delivery. We'll replace or refund.
The process:
1. Raise a request - you'll get a RET number and hear from us by the next working day.
2. Once approved, we arrange pickup.
3. We inspect the product (2-3 working days).
4. Replacement shipped or store credit or refund issued.
A replacement or refund will be issued if:
- The product is found to be defective
- It wasn't damaged while in your possession-
- The same product is returned in original condition - box, MRP tag, manual, warranty card, all accessories
READ THE FULL REPLACEMENT POLICY
1 Year warranty included. You're covered.
This S.M.S.L - SU-1 (Unboxed) comes with a 1 Year manufacturer's warranty from S.M.S.L, covering manufacturing defects.
Every product on Headphone Zone is backed by an original manufacturer's warranty.
Need support? Start with us. We handle most brands' warranty claims directly, and for the rest, we'll help you connect with the brand.
Read about S.M.S.L's Warranty
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Chi-Fi
Excellence
Ideal for Audiophiles
Ideal for
Desktop Use
AKM AK4493S
DAC Chip
Pair with Laptop via USB
A majority of people use a laptop as the primary source device to listen to music or watch movies. Since the laptop is an essential part of the audio chain there are headphones and devices designed to work a laptop or computer system flawlessly. With the availability of USB connectivity, it becomes easier to pair various devices like an Amp, DAC or even headphones without worrying about drivers or any additional piece of software.
Connect With USB
Optical & Coaxial
Metal
Build
UNBOXED
Headphone Zone Certified Unboxed Units
Unboxed units are as good as new products with the product's packaging being unavailable. These products give you the same satisfaction of new products - but at down-to-earth prices. Usually, the product's packaging may have gotten damaged in transit. Customers use a product once or twice and then return it with opened up packaging.
Customer Returns
Returned headphones are fully functional products that have left the warehouse and therefore can no longer be sold as new as their packaging has been opened. The product may have been used once or twice by the customer who returned it.
Transit Damages
Sometimes we receive headphones in damaged packaging due to shipping accidents. These are brand new headphones with cosmetic flaws on the packaging.
Save Upto 15%
Since you won't get the original packaging, we give you a good discount compared to a new headphone.
Professionally Inspected
A thorough inspection means you receive a 100% working headphone with no sound output issues.
Original Warranty
All unboxed headphones carry the same warranty period as a brand new headphone would.
Unbiased Customer Service
We have the same Headphone Zone customer support experience for Unboxed Products or new products.
Unchanged Replacement Policy
Received a defective Unboxed unit? Return it under our Replacement Policy.
All Original Accessories
The unboxed headphones itself comes with all original accessories.
DESCRIPTION
S.M.S.L INTRODUCES THEIR LATEST DESKTOP DIGITAL-TO-ANALOG CONVERTER - THE SU-1
The All-New S.M.S.L SU-1 MQA Audio DAC is a compact yet powerful digital-to-analog converter (DAC) that delivers exceptional audio quality, MQA technology, and a wide range of connectivity options for an immersive listening experience. The S.M.S.L SU-1 is a desktop DAC designed for high-resolution audio, featuring built-in MQA decoding support. It incorporates the latest AK4493S DAC chipset from AKM and utilises the XMOS XU-316 USB processor for precise decoding of high-resolution audio signals. With its support for Hi-Res PCM, DSD, and MQA audio signals, the SU-1 enables you to enjoy a diverse range of music formats. Whether you choose to connect via USB, optical, or coaxial, the SU-1 ensures seamless MQA decoding. Upgrade your audio setup today with the S.M.S.L SU-1 and immerse yourself in a rich and authentic sound experience.
FEATURING AKM DAC CHIP AND 3RD GENERATION XMOS CHIP FOR PRISTINE AUDIO
To deliver a luxurious sound experience characterised by smoothness and richness, the SU-1 from S.M.S.L is equipped with AK4493S, the latest DAC chipset from AKM. This advanced chipset enables precise and high-quality decoding of high-resolution audio signals, resulting in an exceptionally low distortion performance of less than 0.00013%. The SU-1 also features the XMOS XU-316, a third-generation 16-core chip, working in conjunction with the AK4493S decoding chip to achieve outstanding audio fidelity. With this powerful combination, the SU-1 can handle PCM signals up to 32-bit/768kHz and DSD512, ensuring exceptional audio reproduction.
MQA-ENABLED DESKTOP DAC WITH MULTIPLE INPUT OPTIONS FOR EASY CONNECTIVITY
The S.M.S.L SU-1 stands out as one of the most cost-effective desktop DACs available today that supports Master Quality Authenticated (MQA) technology. MQA is a cutting-edge technology that enables high-resolution audio to be compressed into smaller file sizes, making it convenient for storage and streaming. With its MQA and MQA-CD decoding support, the S.M.S.L SU-1 ensures that you can fully unlock and enjoy the exceptional audio quality of MQA files. This makes it an excellent choice for audiophiles who seek true-to-life sound reproduction. The SU-1 offers versatile connectivity options, allowing you to connect it to various sources such as CD players, televisions, and USB devices. It features three input options, including USB, optical, and coaxial ports. Moreover, the SU-1 is compatible with a wide range of devices, including Windows, macOS, Linux, Android, and iOS devices, making it highly versatile and user-friendly.
DESIGNED WITH ALUMINIUM ALLOY HOUSING FOR ADDED DURABILITY
The S.M.S.L SU-1 showcases exceptional craftsmanship, as evidenced by its meticulous design and construction. It features a robust housing made from high-quality aluminium alloy, crafted using advanced CNC machining techniques, anodizing technology, and precise chamfering processes. This not only ensures its durability but also promotes effective heat dissipation. With its premium textured finish, the SU-1 exudes a sense of sophistication. Its compact design makes it an ideal choice for those who desire a high-quality DAC without occupying excessive space.
SPECS
| INPUTS | USB/Optical/Coaxial |
| OUTPUTS | RCA |
| OUTPUT LEVEL | 2.0Vrms |
| THD+N | 0.00013%(-117dB) |
| DYNAMIC RANGE | 121dB |
| SNR | 121dB |
| USB TRANSMISSION | Asynchronous transmission |
| USB COMPATIBILITY | Windows 7/8/8.1/10/11, Mac OS X10.6 and above, Linux |
| BIT DEPTH | USB 1 Bit~32 Bit Optical/Coaxial 6 Bit~24 Bit |
| SAMPLING RATE | USB PCM 44.1-768kHz DSD 2.8224-22.5792MHz Optical/Coaxial PCM 44.1-192kHZ MQA 384 kHz |
| POWER CONSUMPTION | <5W |
| STANDBY POWER | <0.1W |
| SIZE (WXHXD) | 96 x 27 x 78mm |
| WEIGHT | 195G 0.43lbs |
| WHAT WILL YOU GET | 1. S.M.S.L SU-1 MQA DAC |
| 2. Type-A to Type-C USB Cable x1 | |
| 3. User Manual | |
| WHAT WILL YOU NOT GET | 1. Original Packaging Of S.M.S.L SU-1 MQA DAC |
OTHER DETAILS
| GENERIC NAME | Digital Audio Converter |
| IMPORTER DETAILS | Importers Name: Ferrari Video Address: 63/18, 1st Main Road, Gandhi Nagar, Chennai - 600020 Contact No: 044-24420733 |
| NET QUANTITY | 1 |
Headphone Zone Certified Unboxed Units
Unboxed units are as good as new products with the product's packaging being unavailable. These products give you the same satisfaction of new products - but at down-to-earth prices. Usually, the product's packaging may have gotten damaged in transit. Customers use a product once or twice and then return it with opened up packaging.
Customer Returns
Returned headphones are fully functional products that have left the warehouse and therefore can no longer be sold as new as their packaging has been opened. The product may have been used once or twice by the customer who returned it.
Transit Damages
Sometimes we receive headphones in damaged packaging due to shipping accidents. These are brand new headphones with cosmetic flaws on the packaging.
Save Upto 15%
Since you won't get the original packaging, we give you a good discount compared to a new headphone.
Professionally Inspected
A thorough inspection means you receive a 100% working headphone with no sound output issues.
Original Warranty
All unboxed headphones carry the same warranty period as a brand new headphone would.
Unbiased Customer Service
We have the same Headphone Zone customer support experience for Unboxed Products or new products.
Unchanged Replacement Policy
Received a defective Unboxed unit? Return it under our Replacement Policy.
All Original Accessories
The unboxed headphones itself comes with all original accessories.
S.M.S.L INTRODUCES THEIR LATEST DESKTOP DIGITAL-TO-ANALOG CONVERTER - THE SU-1
The All-New S.M.S.L SU-1 MQA Audio DAC is a compact yet powerful digital-to-analog converter (DAC) that delivers exceptional audio quality, MQA technology, and a wide range of connectivity options for an immersive listening experience. The S.M.S.L SU-1 is a desktop DAC designed for high-resolution audio, featuring built-in MQA decoding support. It incorporates the latest AK4493S DAC chipset from AKM and utilises the XMOS XU-316 USB processor for precise decoding of high-resolution audio signals. With its support for Hi-Res PCM, DSD, and MQA audio signals, the SU-1 enables you to enjoy a diverse range of music formats. Whether you choose to connect via USB, optical, or coaxial, the SU-1 ensures seamless MQA decoding. Upgrade your audio setup today with the S.M.S.L SU-1 and immerse yourself in a rich and authentic sound experience.
FEATURING AKM DAC CHIP AND 3RD GENERATION XMOS CHIP FOR PRISTINE AUDIO
To deliver a luxurious sound experience characterised by smoothness and richness, the SU-1 from S.M.S.L is equipped with AK4493S, the latest DAC chipset from AKM. This advanced chipset enables precise and high-quality decoding of high-resolution audio signals, resulting in an exceptionally low distortion performance of less than 0.00013%. The SU-1 also features the XMOS XU-316, a third-generation 16-core chip, working in conjunction with the AK4493S decoding chip to achieve outstanding audio fidelity. With this powerful combination, the SU-1 can handle PCM signals up to 32-bit/768kHz and DSD512, ensuring exceptional audio reproduction.
MQA-ENABLED DESKTOP DAC WITH MULTIPLE INPUT OPTIONS FOR EASY CONNECTIVITY
The S.M.S.L SU-1 stands out as one of the most cost-effective desktop DACs available today that supports Master Quality Authenticated (MQA) technology. MQA is a cutting-edge technology that enables high-resolution audio to be compressed into smaller file sizes, making it convenient for storage and streaming. With its MQA and MQA-CD decoding support, the S.M.S.L SU-1 ensures that you can fully unlock and enjoy the exceptional audio quality of MQA files. This makes it an excellent choice for audiophiles who seek true-to-life sound reproduction. The SU-1 offers versatile connectivity options, allowing you to connect it to various sources such as CD players, televisions, and USB devices. It features three input options, including USB, optical, and coaxial ports. Moreover, the SU-1 is compatible with a wide range of devices, including Windows, macOS, Linux, Android, and iOS devices, making it highly versatile and user-friendly.
DESIGNED WITH ALUMINIUM ALLOY HOUSING FOR ADDED DURABILITY
The S.M.S.L SU-1 showcases exceptional craftsmanship, as evidenced by its meticulous design and construction. It features a robust housing made from high-quality aluminium alloy, crafted using advanced CNC machining techniques, anodizing technology, and precise chamfering processes. This not only ensures its durability but also promotes effective heat dissipation. With its premium textured finish, the SU-1 exudes a sense of sophistication. Its compact design makes it an ideal choice for those who desire a high-quality DAC without occupying excessive space.
| INPUTS | USB/Optical/Coaxial |
| OUTPUTS | RCA |
| OUTPUT LEVEL | 2.0Vrms |
| THD+N | 0.00013%(-117dB) |
| DYNAMIC RANGE | 121dB |
| SNR | 121dB |
| USB TRANSMISSION | Asynchronous transmission |
| USB COMPATIBILITY | Windows 7/8/8.1/10/11, Mac OS X10.6 and above, Linux |
| BIT DEPTH | USB 1 Bit~32 Bit Optical/Coaxial 6 Bit~24 Bit |
| SAMPLING RATE | USB PCM 44.1-768kHz DSD 2.8224-22.5792MHz Optical/Coaxial PCM 44.1-192kHZ MQA 384 kHz |
| POWER CONSUMPTION | <5W |
| STANDBY POWER | <0.1W |
| SIZE (WXHXD) | 96 x 27 x 78mm |
| WEIGHT | 195G 0.43lbs |
| WHAT WILL YOU GET | 1. S.M.S.L SU-1 MQA DAC |
| 2. Type-A to Type-C USB Cable x1 | |
| 3. User Manual | |
| WHAT WILL YOU NOT GET | 1. Original Packaging Of S.M.S.L SU-1 MQA DAC |
OTHER DETAILS
| GENERIC NAME | Digital Audio Converter |
| IMPORTER DETAILS | Importers Name: Ferrari Video Address: 63/18, 1st Main Road, Gandhi Nagar, Chennai - 600020 Contact No: 044-24420733 |
| NET QUANTITY | 1 |
Don't sweat it, this
S.M.S.L - SU-1 (Unboxed) comes with a 1 Year warranty
from S.M.S.L that covers manufacturing defects.
All products featured on Headphone Zone are backed by an original manufacturer's warranty.
Read more about S.M.S.L's warranty in India.
"Considering its input flexibility, clean implementation of the AKAK4493S dac, and good dynamics, this could be a perfect upgrade or starter DAC for audiophiles assembling their first desktop audio stack."
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"SU-1 in my opinion is well built, sounds good when paired with a good amp, depending on your preference. For the price and the features that come alongside with SU-1, I think it is a no-brainer and easy recommendation."
Read More
"The SMSL SU-1 is a quite compact and highly capable desktop type of Digital to Analog Converter that shows good technical capability and just a very low amount of sonic coloration, which makes it to an ideal source for amplifiers."
Read More